... -phase watt-hour meter is induction meter. Single-Phase Active Energy Meter:DD862 single-phase watt-hour meter is induction meter, which is applicable ... Standard IEC521. Accuracy(Class): 2 Rated Voltage: 220VFrequency: 50HzRated Current(A): 1.5/6A, 2.5/10A, 5/20A, 3/12A, 10/40A, 15/ ... 60A, 20/80A, 30/100A. DD862 Single-Phase Active Energy Watt-Hour Meter for ...